About Your System 49Unsupportedmemoryconfiguration.DIMM mismatchacross slotsdetected:x,x,...Invalid memoryconfiguration.Memory modules aremismatched in thespecified slots.Ensure that the memorymodules are installed in avalid configuration.See "General MemoryModule InstallationGuidelines" on page 111.Unused memorydetected. DIMM’sinstalled in thefollowing slotare not availablewhen in mirrormode: x,x,xThe memory configurationis not optimal formirroring Mode. Modulesin the specified slots areunused.Reconfigure the memory forMemory Mirroring Mode, orchange the memory mode toOptimized or Sparing in theBIOS setup screen. See"System Memory" onpage 110.Unused memorydetected. DIMM’sinstalled in thefollowing slotare not availablewhen in 128-bitadvanced ECCmode: x,x,xThe memory configuration isnot optimal for AdvancedECC Memory Mode.Modules in the specifiedslots are unused.Reconfigure the memory forAdvanced ECC MemoryMode, or change thememory mode to Optimizedor Sparing in the BIOS setupscreen. See "SystemMemory" on page 110.Warning: A fatalerror has causedsystem reset!Please check thesystem event log!A fatal system error occurredand caused the system toreboot.Check the SEL forinformation that was loggedduring the error. See theapplicable troubleshootingsection in "TroubleshootingYour System" on page 141 forany faulty componentsspecified in the SEL.Warning: ControlPanel is notinstalled.The control panel is notinstalled or has a faulty cableconnection.Install the control panel, orcheck the cable connectionsbetween the display module,the control panel board,and the system board.See "Control PanelAssembly" on page 126.Table 1-2. System Messages(continued)Message Causes Corrective Actions
